condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.007562266666666667 0.0 0.0226868 12 h after light 0.04853656666666667 0.016862 0.0802033 4 h after dark 0.019710766666666667 0.0 0.0591323 8 h after dark 0.029556 0.0 0.088668 12 h after dark 0.0338997 0.0 0.0519796